code: def set_index_name(pd_df: pd.DataFrame, name: str) -> pd.DataFrame:
      pd_df.index.name = name
      return pd_df
  
file_path: ludwig/ludwig/utils/dataframe_utils.py
imports: from typing import Dict, List, Optional, Tuple
  import numpy
  import pandas
  from ludwig.api_annotations import DeveloperAPI
  from ludwig.constants import DASK_MODULE_NAME
  from ludwig.data.dataframe.base import DataFrameEngine
  from ludwig.utils.types import DataFrame
label_desc: Use image node_id 8 for calling a global function with example usage: set_index_name(pd_df, name) and returns: pd_df